Kia Niro: Crankcase Emission Control System / Canister Repair procedures

Removal
1.

Turn ignition switch OFF and disconnect the negative (-) battery terminal.

2.

Remove the fuel tank.

(Refer to Engine Control / Fuel System - "Fuel Tank")

3.

Disconnect the vapor tube quick-connector.

4.

Remove the canister (B) after releasing the fixing hook (A).

5.

Remove the canister protector (A) after loosening the mounting clips.

Inspection
1.

Check for the following items visually.

- Cracks or leakage of the canister

- Loose connection, distortion, or damage of the vapor hose/tube

A: Canister ↔ Atmosphere

B: Canister ↔ Intake Manifold

C: Canister ↔ Fuel Tank

Installation
1.

Install in the reverse order of removal.

Evaporative Emission Control System Description and operation
Description Evaporative Emission Control System prevents fuel vapor stored in fuel tank from vaporizing into the atmosphere. When the fuel evaporates in the fuel tank, the vapor passe ...

Fuel Filler Cap Description and operation
Description A ratchet tightening device on the threaded fuel filler cap reduces the chances of incorrect installation, which seals the fuel filler. After the gasket on the fuel filler ...

Other information:

Kia Niro 2017 (DE HEV) Service Manual: Specifications
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